Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

6851.

The boolean expression ((p∧q)∨(p∨∼q))∧(∼p∧∼q) is equivalent to:

Answer»

The boolean expression ((pq)(pq))(pq) is equivalent to:

6852.

If the real part of the complex number z=3+2icosθ1−3icosθ, θ∈(0,π2) is zero, then the value of sin23θ+cos2θ is equal to

Answer» If the real part of the complex number z=3+2icosθ13icosθ, θ(0,π2) is zero, then the value of sin23θ+cos2θ is equal to
6853.

Column-I Column-II(a)If the lines x−21=y−31=z−4λand(p)0 x−1λ=y−42=z−51 intersect at (α,β,γ) then λ equals (b)If limx→∞(π4−tan−1(x+1x+2))=y2+4y+5 then y equals(q)−1(c)If chord x+y+1=0 of parabola y2=ax(r)−4 Subtends 90∘ at (0,0) than a equals (d)If →a=^i+^j+^k,→a.→b=1 and →a×→b=^j−^k then|→b| is equal to(s)1

Answer» Column-I Column-II(a)If the lines x21=y31=z4λand(p)0 x1λ=y42=z51 intersect at (α,β,γ) then λ equals (b)If limx(π4tan1(x+1x+2))=y2+4y+5 then y equals(q)1(c)If chord x+y+1=0 of parabola y2=ax(r)4 Subtends 90 at (0,0) than a equals (d)If a=^i+^j+^k,a.b=1 and a×b=^j^k then|b| is equal to(s)1
6854.

If f : C → C is defined by f(x) = 8x3, then f–1(8) = . _________.

Answer» If f : C → C is defined by f(x) = 8x3, then f–1(8) = . _________.
6855.

A cone has its radius(R) equal to its height. What is the volume of its frustum if the smaller cone’s radius is 'r' ?

Answer»

A cone has its radius(R) equal to its height. What is the volume of its frustum if the smaller cone’s radius is 'r' ?


6856.

If sinx +2x >= kx(x+1) for all x € [0, π/2] . What would be the maximum value of K?

Answer» If sinx +2x >= kx(x+1) for all x € [0, π/2] .
What would be the maximum value of K?
6857.

If 2x2y2+y2−6x2−12=0, then number of integral pairs (x,y) satisfying is/are

Answer»

If 2x2y2+y26x212=0, then number of integral pairs (x,y) satisfying is/are

6858.

Find the equation of the parabola that satisfies the following conditions: Vertex (0, 0); focus (3, 0)

Answer»

Find the equation of the parabola that satisfies the following conditions: Vertex (0, 0); focus (3, 0)

6859.

An analytic function of a complex variable z=x+iy is expressed as f(z)=u(z,y)+iv(x,y), where i=√−1. if u(x,y)=x2, then expansion for v(z,y) in terms of x,y and a general constant c would be

Answer»

An analytic function of a complex variable z=x+iy is expressed as f(z)=u(z,y)+iv(x,y), where i=1. if u(x,y)=x2, then expansion for v(z,y) in terms of x,y and a general constant c would be

6860.

Total number of six-digit numbers in which only and all the five digits 1,3,5,7 and 9 appear, is

Answer»

Total number of six-digit numbers in which only and all the five digits 1,3,5,7 and 9 appear, is

6861.

The number of observations in a group is 40. If the average of first 10 is 4.5 and that of the remaining 30 is 3.5, then the average of the whole group is

Answer»

The number of observations in a group is 40. If the average of first 10 is 4.5 and that of the remaining 30 is 3.5, then the average of the whole group is

6862.

If the dc's of two lines parallel lines are given by 2l+3m+kn=0 and l2−m2+5n2=0 then the values of k are:

Answer»

If the dc's of two lines parallel lines are given by 2l+3m+kn=0 and l2m2+5n2=0 then the values of k are:

6863.

How many different (mutually noncongruent) trapeziums can be constructed using four distinct side lengths from the set {1,3,4,5,6}?

Answer»

How many different (mutually noncongruent) trapeziums can be constructed using four distinct side lengths from the set {1,3,4,5,6}?

6864.

Let xtanα+ysinα=α,αxcosecα+ycosα=1 be two straight lines. Let P be the point of intersection of the lines in the limiting position when \alpha \rightarrow 0, if the point P is (h, k), then |h + k| is___.

Answer»

Let xtanα+ysinα=α,αxcosecα+ycosα=1 be two straight lines. Let P be the point of intersection of the lines in the limiting position when \alpha \rightarrow 0, if the point P is (h, k), then |h + k| is___.

6865.

If cosθ=23, the write the value of 4+4tan2θ.

Answer» If cosθ=23, the write the value of 4+4tan2θ.
6866.

There are three copies each of four different books. The number of ways in which they can be arranged in a shelf is

Answer»

There are three copies each of four different books. The number of ways in which they can be arranged in a shelf is

6867.

[(B′∪(B′−A))]′ =___

Answer»

[(B(BA))] =___



6868.

x=5\operatorname{sin}2t+\operatorname{cos}2t Find time period

Answer» x=5\operatorname{sin}2t+\operatorname{cos}2t Find time period
6869.

If f(x)=x∫0etsin(x−t)dt, then f′′x−f(x) is equal to

Answer»

If f(x)=x0etsin(xt)dt, then fxf(x) is equal to

6870.

Find dydx if y is a function of x and (x+y)2=x−y+1.

Answer»

Find dydx if y is a function of x and (x+y)2=xy+1.

6871.

Each set Xr contains 5 elements and each set Yr contains 2 elements and ∪r=120 Xr=S=∪r=1n Yr. If each element of S belongs to exactly 10 of the Xr's and to exactly 4 of the Yr's, then n is(a) 10(b) 20(c) 100(d) 50

Answer» Each set Xr contains 5 elements and each set Yr contains 2 elements and r=120 Xr=S=r=1n Yr. If each element of S belongs to exactly 10 of the Xr's and to exactly 4 of the Yr's, then n is

(a) 10

(b) 20

(c) 100

(d) 50
6872.

Find the equation of the straight lines passing through the origin and making an angle of 45∘ with the straight line √3x+y=11

Answer»

Find the equation of the straight lines passing through the origin and making an angle of 45 with the straight line 3x+y=11

6873.

The positive value of λ for which the co-efficient of x2 in the expression x2(√x+λx2)10 is 720, is :

Answer»

The positive value of λ for which the co-efficient of x2 in the expression x2(x+λx2)10 is 720, is :

6874.

FIND THE ROOTS OF THE FOLLOWING EQUATION: 1/X+4-1/X-7=11/30.X IS NOT EQUAL TO-4,

Answer» FIND THE ROOTS OF THE FOLLOWING EQUATION: 1/X+4-1/X-7=11/30.X IS NOT EQUAL TO-4,
6875.

Number of ways of arranging 5 different objects in the squares of given figure in such a way that no row remains empty and one square can't have more then one object.

Answer»

Number of ways of arranging 5 different objects in the squares of given figure in such a way that no row remains empty and one square can't have more then one object.

6876.

If the equation of the parabola whose focus is the point of intersection of x+y=3, x−y=1 and directrix is x−y+5=0, is ax2+bxy+cy2+dx+ey−15=0, then the radius of the circle ax2+cy2+dx+ey−10=0 is equal to

Answer»

If the equation of the parabola whose focus is the point of intersection of x+y=3, xy=1 and directrix is xy+5=0, is ax2+bxy+cy2+dx+ey15=0, then the radius of the circle ax2+cy2+dx+ey10=0 is equal to

6877.

A diemarked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be theevent, ‘the number is even,’ and B be the event, ‘thenumber is red’. Are A and B independent?

Answer»

A die
marked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be the
event, ‘the number is even,’ and B be the event, ‘the
number is red’. Are A and B independent?

6878.

A trader bought a number of articles for Rs. 900. Five articles were found damaged. He sold each of the remaining articles at Rs. 80 in the whole transaction. Find the number of articles he bought.

Answer» A trader bought a number of articles for Rs. 900. Five articles were found damaged. He sold each of the remaining articles at Rs. 80 in the whole transaction. Find the number of articles he bought.
6879.

The length of the latus rectum of the parabola 25[(x−2)2+(y−4)2]=(4x−3y+12)2 is

Answer»

The length of the latus rectum of the parabola 25[(x2)2+(y4)2]=(4x3y+12)2 is

6880.

37. Josin, dr., 2

Answer» 37. Josin, dr., 2
6881.

Let t1,t2,t3 be three points on the parabola y2=4x. If the normal at t1 intersects the parabola at t2 and the normal at t2 intersects the parabola at t3 such that 3t1+13t2+9t3=0, then

Answer»

Let t1,t2,t3 be three points on the parabola y2=4x. If the normal at t1 intersects the parabola at t2 and the normal at t2 intersects the parabola at t3 such that 3t1+13t2+9t3=0, then

6882.

5^7 x 5^4 divided by 5^8Is BODMAS applicable here?

Answer» 5^7 x 5^4 divided by 5^8
Is BODMAS applicable here?
6883.

Find the principal values of the following questions: cosce−1(−√2)

Answer»

Find the principal values of the following questions:

cosce1(2)

6884.

Sum of the roots of a quadratic equation is double their product. Find k if equation x2 – 4kx + k +3 = 0

Answer»
Sum of the roots of a quadratic equation is double their product. Find k if equation x2 – 4kx + k +3 = 0
6885.

Write the middle term in the expansion of (x+1x)10.

Answer»

Write the middle term in the expansion of (x+1x)10.

6886.

1518+612+2.5=

Answer» 1518+612+2.5=
6887.

Find the equation of the hyperbola satisfying the give conditions: Vertices (±2, 0), foci (±3, 0)

Answer»

Find the equation of the hyperbola satisfying the give conditions: Vertices (±2, 0), foci (±3, 0)

6888.

∫dx(x+1)√x2−1=

Answer» dx(x+1)x21=
6889.

If n is an odd integer, i=√−1, then (1+i)6n+(1−i)6n is equal to

Answer»

If n is an odd integer, i=1, then (1+i)6n+(1i)6n is equal to

6890.

The sides of a triangle are sinα,cosα and √1+sinα cosα for some 0<α<π2. Then, the greatest angle of the triangle is

Answer»

The sides of a triangle are sinα,cosα and 1+sinα cosα for some 0<α<π2. Then, the greatest angle of the triangle is


6891.

The system of linear equations x+y=0,x–y=0,z=0 will have

Answer»

The system of linear equations x+y=0,xy=0,z=0 will have



6892.

The keys 12, 18, 13, 2, 3, 23, 5 and 15 are inserted into an initially empty hash table of length 10 using open addressing with hash function h(k) = k mod 10 and linear probing.What is the resultant hash table?

Answer»

The keys 12, 18, 13, 2, 3, 23, 5 and 15 are inserted into an initially empty hash table of length 10 using open addressing with hash function h(k) = k mod 10 and linear probing.

What is the resultant hash table?

6893.

The number of integers a in the interval [1,2014] for which the system of equations x+y=a;x2x−1+y2y−1=4 has finitely many solutions is

Answer»

The number of integers a in the interval [1,2014] for which the system of equations x+y=a;x2x1+y2y1=4 has finitely many solutions is



6894.

Prove that sin10sin30sin50sin70 = 1/16

Answer» Prove that
sin10sin30sin50sin70 = 1/16
6895.

Mark the correct alternative in the following question:Assume that in a family, each child is equally likely to be a boy or a girl. A family with three children is chosen at random. The probability that the eldest child is a girl given that the family has at least one girl isa 12 b 13 c 23 d 47

Answer» Mark the correct alternative in the following question:



Assume that in a family, each child is equally likely to be a boy or a girl. A family with three children is chosen at random. The probability that the eldest child is a girl given that the family has at least one girl is



a 12 b 13 c 23 d 47
6896.

(2,3) is a point on the side AB of △ABC. The third vertex C moves such that the sides AC,BC are bisected by x2−y2=0 at right angles. Then C lies on

Answer» (2,3) is a point on the side AB of ABC. The third vertex C moves such that the sides AC,BC are bisected by x2y2=0 at right angles. Then C lies on
6897.

Let a &gt; 0 be a real number. Then the limit limx→2ax+a3−x−(a2+a)a3−x−ax2 is

Answer»

Let a > 0 be a real number. Then the limit limx2ax+a3x(a2+a)a3xax2 is


6898.

An integer 'X' on division by 7 leaves remainder 5. Find the remainder when 4x+31 is divided by 14.

Answer» An integer 'X' on division by 7 leaves remainder 5. Find the remainder when 4x+31 is divided by 14.
6899.

4.Construct a 2 × 2 matrix, A= [aj], whose elements are given by:(i)aii =(1+1)-/(ii) Aja,-(i +2が(iii)

Answer» 4.Construct a 2 × 2 matrix, A= [aj], whose elements are given by:(i)aii =(1+1)-/(ii) Aja,-(i +2が(iii)
6900.

What is the value of sine at an angle of 15,30,45,60,75 & 90?

Answer» What is the value of sine at an angle of 15,30,45,60,75 & 90?